feat: 初步增加 Windows 支持

web/src/lib/video-device-label.ts

@@ -0,0 +1,51 @@
+export interface VideoDeviceLabelSource {
+  name?: string | null
+  path: string
+}
+
+const WINDOWS_USB_ID_RE = /vid[_-]([0-9a-f]{4}).*pid[_-]([0-9a-f]{4})/i
+const WINDOWS_SYMBOLIC_LINK_RE = /^\\\\\?\\/
+const WINDOWS_DIRECTSHOW_RE = /^dshow:/i
+
+function shortDevicePath(path: string): string {
+  const normalized = path.replace(/\\/g, '/')
+  const parts = normalized.split('/').filter(Boolean)
+  return parts[parts.length - 1] || path
+}
+
+function isWindowsSymbolicLink(path: string): boolean {
+  return WINDOWS_SYMBOLIC_LINK_RE.test(path)
+}
+
+function isWindowsDirectShowPath(path: string): boolean {
+  return WINDOWS_DIRECTSHOW_RE.test(path)
+}
+
+function cleanWindowsDirectShowLabel(value: string): string {
+  return value.replace(WINDOWS_DIRECTSHOW_RE, '').trim()
+}
+
+function fallbackDeviceName(path: string): string {
+  if (isWindowsDirectShowPath(path)) return cleanWindowsDirectShowLabel(path) || 'Windows Capture Device'
+  if (isWindowsSymbolicLink(path)) return 'Windows Capture Device'
+  return shortDevicePath(path)
+}
+
+export function formatVideoDeviceLabel(device: VideoDeviceLabelSource): string {
+  const path = device.path.trim()
+  const rawName = device.name?.trim() || fallbackDeviceName(path)
+  const name = isWindowsDirectShowPath(rawName) ? cleanWindowsDirectShowLabel(rawName) : rawName
+  const usbId = path.match(WINDOWS_USB_ID_RE)
+
+  if (usbId?.[1] && usbId[2]) {
+    return `${name} (${usbId[1].toLowerCase()}:${usbId[2].toLowerCase()})`
+  }
+
+  if (!path) return name
+
+  if (isWindowsDirectShowPath(path)) return cleanWindowsDirectShowLabel(name) || fallbackDeviceName(path)
+
+  if (isWindowsSymbolicLink(path)) return name
+
+  return `${name} (${shortDevicePath(path)})`
+}